Brake.



J. M. EADIE.

BRAKE. AFPLICATlON mg!) 0CT.16.$915.

1,279,745, Patented Sept. 24,191s..

' 417 l/VVE/VTOI? 45 45 71:4 ATTORNEYS m: mmms PETERS can FHOf0-LI1HO., wunmcrou. n. c.

I 130311 M.' or nnw YORK,'1\T.' x. v

' To all whama mayomm: 1

.Be it known that I, JOHN M.EAoiis, aicitizen ofthe Dominion .of Canada, and aresident of the boroilghlof Manhattan, .city, county, ;and 'State fof New York, have invented certain new and useful Improvements in -Brakes,;of which; the following is a specification.

My invention relates to brakes for use on pivoted axles, and is particularly applicable to short-turn vehicles having two pivoted axles mechanically connected together so that when one turns in one direction the other is forced to turn simultaneously in the opposite direction.

It will be apparent from the fact that both axles of such vehicles swivel upon central points that the usual brake equipment mounted upon the frame of the vehicle is entirely impractical. The objects of my invention are, therefore, to provide a brake mechanism adapted for use on such running gear, which may be operated in the same manner that brakes are usually operated, and is cheap in construction and simple in application.

Further objects and advantages of my invention will more clearly appear from the following detailed description taken in connection with the annexed drawings, in which like reference characters indicate like parts.

Figure 1 is a side view of a vehicle equipped with a brake embodying one form of my invention.

Fig. 2 is a bottom view of the same.

Fig. 3 shows a modification in the application of the invention to a vehicle.

Referring to Figs. 1 and 2, the body portion 5 is mounted in any desirable manner upon the running gear. the latter being illustrated as consistlng of the reach 6 attached to the front spring 7 and pivoted to the fifth wheel 8 and axle 9 by the king-bolt 10 and similarly'attached at the rear end to the rear spring 11 and pivoted to the sixth wheel 12 and axle 13 by the ln'ng-bolt 14.

The short-turn device consists of the shaft 33 hung from reach 6 by suitable brackets and having pinions 34 and 35 at its ends to engage segmental racks on the lower faces of the fifth wheel 8 and sixth wheel 12, respectively. I g

It Ts to be understood that my invention.

B K V 1 Specification of Letters Patent} maybe usedon any p'f ted is ot a gear, of type,' nor;to any gear of the two turningaxle type, but

@ 16 or anzlqth;

axles of'a short-turn gear.

1 I 'The .brake mechanism; consists of thehand lever 15,piv0ted in the two bearings lti and .1 a limi d inaway, the? g ardrrl8- its-lower crank arm 19 has a looped end 20,

.Pa n e ser ejzz 218 1" 1 Application fired October 16,1915. -Seria11\1'o.56,206.;g v V shoes 29', 30, in proper position to bear upon 7 the rims of the wheels 31 and 32. Itwill be apparent that, if the point of engagement 7 of the rod 21 with the loop 22 be directly under the king-bolt 14, the swiveling of the axle 13 will not change the distance between that point of engagement and the looped end 20 of the crank arm 19, and that the brake may be effectively and evenly operated With- I out regard to the position of the axles.

The use of looped connections at 20 and 22, while simple and efiicient, is not necessary, as any other desirable form of pivot nected to the bent arm 45 by the link 46, the connections at each end thereof being by interlocked loops, as in the case of the rod'21 (Fig. 1). The bent arm 45 corresponds to arm 23; shaft 46 rotated thereby corresponds to shaft 24; in this latter construction, however, the shaft 46 has its opposite ends bent in the form of bell'crank levers 47 and connected by links 48 to the operating lever 49 of the external contracting brake band 50..

A suitable brake drum 51 may be mounted on the wheel 52 by means of the lugs 53.

It is obvious, of course, that the lever 43 may be dispensed with and pedal 40 connected directly to arm 45 by using at the same time an internal expanding type of ke bane 9 y ha ges ts bell cr k levers &7 into simple crank levers like the brake, arms 27 ,128,; and connecting them with the typeof brake band shown. Here, as in the first case, it is important that the point of engagement of bent arm A5 and link .46 be approximately under thepivot point of the axle.

While I have described my inventionvin great detailIin What .I consider to be its preferred embodiment, it Will be apparent to those slq'lled in the art that numerous changes and. substitutions of partsmay be made -vv-ithout departing from ::the spirit of my-invention vv hich I intend shall be limited'anddefined only by the scope of the appended claim.

Havingf thusdescribed my invention, vvhat I claim as new and desire to secure by Letz'ters Patent, is

ssecured thereto for cooperation With said Wheels, a substantially vertically extending crankarm rigidly secured to said shaft, a

brake shaft on said body having acrank thereon, and a'li-nk connected to said last named crank, and to said first named crank at a pointrsubstantiallyl in the pivotallaxis .of said axle.

;In testimony whereof, I"have;si gned my name to this specification.

JOHN EADIE.

"-0Qpies of. thispatent may beobtained for'five cents each, by'addressing the Commissioner of Patents,

"Washington, I). G," 

